why the secondary winding of the transformer is not open circuited ?

5 Answers   Nepal Electricity Authority, Torrent Pharma,

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for 24000kv transformer what is the value earthing resistence?

1 Answers  

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?

2 Answers  

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how to estimate wiring ins roughing ins. and boxes

0 Answers  

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what happens when series resonance occurs?

0 Answers  

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What makes the difference between 50Hz supply and 60Hz supply which one is economical and how can you support your answer...........?

2 Answers   Fertichem, Kuwait Oil Company,

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what are the 4 rules to start the motor?

0 Answers   JK Associates,

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If breaker is undefined position, first step to do.

0 Answers   KSEB, L&T, Siemens,

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what is difference between induction motor&servo motor.what r types of servo motor?how it works?

1 Answers  

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line tester lamp working in which voltage?

3 Answers  

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what is earth pit , how we can measured it, what earth rods reference

0 Answers   ups,

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